In this year-long project, students design, "build," and "sell" a house; after which they simulate investment of the profits in the stock market. Along the way, students make scale drawings, compute w...More: lessons, discussions, ratings, reviews,...

Collaborative group activity comparing area and perimeter using Hands-On Math software by Ventura Educational Systems. The ideas could also be adapted to use with other software or a Java applet.More: lessons, discussions, ratings, reviews,...

Find the area and perimeter of a shape by using coordinate geometry. The pages that have a brown background are for teachers. This way a teacher can easily identify notes about pages.
Notebook sof...More: lessons, discussions, ratings, reviews,...

This tool allows the user to add square boxes to the "table" adding one unit to the area of the larger box. The tool will also calculate the perimeter for the user upon pressing the "show perimeter...More: lessons, discussions, ratings, reviews,...

This activity operates in one of two modes: auto draw and create shape mode, allowing you to explore relationships between area and perimeter. Shape Builder is one of the Interactivate assessment expl...More: lessons, discussions, ratings, reviews,...

Explore rectangular and straight-line arrangements of tables, calculating the number of chairs needed to surround different arrangements thereby exploring perimeter concepts. Tables and Chairs is one ...More: lessons, discussions, ratings, reviews,...

Students can use the GeoBoard App to experience the power of geometric concepts electronically. In addition to rotating, reflecting and translating objects, it enables you to measure line segments, ar...More: lessons, discussions, ratings, reviews,...

The Geoboard is a tool for exploring a variety of mathematical topics introduced in the elementary and middle grades. Learners stretch bands around pegs to form line segments and polygons and make dis...More: lessons, discussions, ratings, reviews,...

Our Geoboard helps students visualize shapes which can lead to a better understanding of geometry. Use the Hands-on Math Geoboard to have students draw and analyze figures. Using simple gestures color...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.